Variable-speed gearing for the reels of agricultural machinery.



V B. P. SAUNDERS & 0. WILLIAMS. VARIABLE SPEED GEARING FOR THE REELS OF AGRICULTURAL MACHINERY.

Patented Feb. 24, 1914:.

2 mant s-SHEET 1.

APPLICATION FILED SEPT, 9, 1912.

Fig 1 WIN/88588 vjirromvsn B. P. SAUNDERS &: 0. WILLIAMS.

' VARIABLE SPEED GEARING FORTHE RBELS OF AGRIGULTURAL'MAOHINERY.

' APPLICATION 'IYILED SEPT. 9, i912 Patented. Feb. 24,1914,

2 SHEETS-SHEBT 2.

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drawings in which incident toits travel on sta upon frame 1 IBENJAMIN P. SAUNDERS, OF IATAN, OSGAR WILLLAMS, O1? WESTON, MISSOURI.

VARIABLE-SPEED GEARING FOR THE HEELS OF AGRICULTURAL MACHINERY;

- hpplicationfiled Septemlier 9, 1912. Serial m..- 719,419.

: Specification of Letters Patent.

Patented. Feb,24. 1914.

T0 all whom it may concern} Be it known that we, BENJAMIN P. SAUN- nnns and OSCAR WILLIAMS, citizens of the United States -residingat Iatan and VVes-- ton, respectively, in the county of Platte and Stateof Missouri, have invented certain new and useful Improvements in Variable-Speed Gearing for the Reels of Agricultural M'achinery, of which the following is a speci fication.

Our invention relates to a variable speed gearing for. the reels of agricultural machinery, such as binders, headers, etc., and

our principal object'is, to provide gearing whereby the speed of a reel may be readily varied at'the will of an operator to suit-the conditions of grain being cut.

Other objects of the invention will hereinafter-appear, and in order that'said inby a hand-lever 19 mounted upon the same vention may be readily understood reference will now be made to the accompanying '1 Figure 1 is a broken front e tevation of a binder provided with our. fimprovement. Fig. 2 is anenlarged section of Fig. 5, showing our va'riale speed gearing and adjacent mechanism. Fig. 3 is a broken side elevation of a hindenprovidcd with our improvement. Fig. 4 is an en-,

larged' broken section on line 'IV-JVof Fig. 5. Fig. 5 is a plan viw of the mecha nism. with the reel removed. Fig. 6 1s" a section on line VI .V I of'Fig. 5.

1 designates parts ofa binderframe.

2 designates a shaft driven by any suitable part of the binder. j

3'designates'a bevel gear fixed upon shaft 2 and intermeshing with a bevel gear 4 fixed to the lower end ofan upwardly-extending square shaft 5I, rounded end in two'bearings 6 and 7 rock ingly-mounted upon shaft 2, so that shaft 5 may swing forward and backward as w ll hereinafter appear. a standard pivotally-secured 8 designates by a bolt 9 arranged in hori zontal alinement with shaft 2, as shown on Fig. 1. I 10 designates a bracket operab ly-mou'nted upon the standard 8 and .provided with antifriction' rollers 11 to rednce the. friction nda'rd- 8. I 12 designates a horizontal shaft journaled in bracket 10-2md ca g by the grain is. hel .against the binder knives; y

11 line IIII v wheel 21.

journaled at its lower. r.

,large fruition-w el 21. vLever 23 isblfurcated at its forward end, the terminals of its .pivotally-secured depen by a a reel '13, where- Bracket 10 is adjusted vertically on stand ard 8 by a hand-lever 14 for the purpose of raising the reel 13 to accommodate high grain, or to lower said reel to accommodate short grain, or grain that has been knocked down. Hand le ver 14 is provided with a latch-pin 15 which extends through 'a hole 1n the ad acent portion of bracket 10 and is adapted to enter anyone of a series of holes 16 in the standard'to lock the bracket in 'any' of its adjusted positions thereon. Lever 14 is' fulcrumed upon an arm-17 pivotally-s'ecured to a sector 18 rigidljfimounted upon a part of the binder frame la-By adjusting said standard forward or backward the reel 13 is accordingly adjusted farther from or nearer to the binder knives to suitgthe condition of the grain bemg cut.

Pivotal-movement of arm.17 'iscontrolled fulcrum carrying hand-lever '14 and con trolling a latch 20 fixed to arm 17 and coacting withthe sector 18 in securing said arm in any of its adjusted positions.

The foregoing cdnstruction is in common use,.the novelty of'the invention residing in the mechanism which will now be described in detail.

21 designates alarge frictionwheel fixedly mounted uporr 'dne end of the reel shaft 12" forthe purpose of drivin the same.

22 designates asmall riction-wheel slid- .ably engaging one side ofthe large friction- Frlction-wheel 22' rotates with shaft 5 but is slidable thereon, 'so that it may the purpose of driving the-same at different speeds; 23'dejsig'nates a "hand-lever for adjusting the small friction-wheel 22 radially of the bifurcated portion being provided with rods 24, carrying a collar 25 at their lower ends arranged in a-peripheralgroovein the hub 26'ofthe friction-wheel 22; Hand-lever 23 is locked inany of its adjusted positions latch 27 and a sector 28, which lattci is carried by anal-1x129 of the bracket 10.

be adjusted radially of friction-wheel 21 Tor The friction' surface of wheel 21 is slightly v conicalg si fthat friction-wheel 22gwill engage said irictlon'surface with increasing ressure asdt approaches the center thereo vand thus prevent slippage from the increixd resistance. V I

In order that the friction-wheel 22 may slide up and down on the conical surface of the friction-wheel 21, we mount the upptr end of shaft 5 in a bearing 30, carried by a rectangular member 31 yieldingly-mounted in an arm 320. the upper portion of bracket 10. Arm 32 is slotted, the opposite sides of its slotted portion having grooves 33 for member 31 to slide in, so that it cannot move either upward or-downward independently of the bracket. Coil springs bearing against member 31, push the same toward the f ictionivheel 21, so thatthe same w ll be yielding y-engaged by the small frictitniwheel i The tension of springs 34 is regulated by set-screws 35. 4

From the foregoing description it is .ob-

vious that the speed of the reel maybe increased or diminished by adjusting frictionwheel 22 radially towardor away from the center of friction-wheel'21, and consequently grain can be saved which-is now lost with a reel driven at constant speed.

Having thus described our invention what we claim and desire to secure by Letters Patent, is!

1. In combination with a ,reel and a driven shaft, a friction-whee1 mounted upon the' reel shaft, a friction-wheel mounted upon the driven shaft and engaging the first friction-wheel to drive the same, and means whereby one of said friction-wheelsmay be adjusted radially of the other friction-wheel to vary the speed of the reel shaft.

2. In combination with a reel and a driven shaft, a friction-wheel mounted upon the reel shaft, a friction-wheel mounted upon the driven shaft-and engaging the first friction-wheel to drive the same, and hand-controlled means whereby one of said frictionwheels may be adjusted radially of the other friction-wheel to vary the speed of the reel shaft.

In combination with a reel and a driven shaft,"a wheel mounted upon the reel shaft and having aponical friction-surface, a friction-wheel mounted upon the driven shaft aud'engaging said conical friction surface to drive the first friction-wheel, means tending to force the driven shaft toward the conical friction surface, and'means whereby thcsecond friction-wheel may be adjusted radially of the first friction-wheel to vary the speed of the reel shaft.

4. In combination with a reel and a driven shaft, a friction-u heel mounted upon the reel shaft, a friction-wheel mounted upon the driven shaft and engaging the first friction-whee1 to drive the same, resilient means for holding the second friction-wheel in engagement with the first friction-wheel, and a hand-lever whereby the second frictionwheel may be adjusted radially of the first friction-wheel to vary" the speed of the reel shaft. i

5. In combination with a' reel and a driven shaft, a friction-wheel mounted upon thereel shaft, a friction-wheel mounted upon the driven shaft and engaging the first friction-wheel to drive the same, a slidable member through which the driven shaft ex-- tends, means in which said slid able'member is mounted, means tending to press said slidable member toward the first frictionwheel, and means whereby the second friction wheel may be adjusted radially of the first friction-wheel to vary the speed of the reel shaft. f p

6. In combination with a reel and a driven shaft, a friction-wheel mounted upon the shaft is driven, and means for adjusting said bracket verticallv and horizontally,- of

a friction-wheel fixedly mounted upon the reel shaft, a friction-wheel engaging the first friction-wheel to drive the same, means for driving the second frictionwhee1, and means whereby the second friction-wheel may be adjusted radially of the first friction-wheel to vary the speed of the reel sln ft.

In testimony whereof we aflix our signatures, in the presence of two witnesses.

BENJAMIN P. SAUNDERS. ()SGAIK WILLIAMS. Vitnesses:

L. R. PALMER, P. KEMMERER,

Copies of this patent may be obtained for five cents each, by addressing the "Commissioner of l'atentl,

'Wasliingicn, I)v C." I. 

